Παραπομπή APA

Yap, H. P. (1986). Some topics in graph theory. Cambridge University Press.

Παραπομπή Chicago Style

Yap, H. P. Some Topics in Graph Theory. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1986.

Παραπομπή MLA

Yap, H. P. Some Topics in Graph Theory. Cambridge University Press, 1986.